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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#ifndef _GAPBUFFER_H
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#define _GAPBUFFER_H
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#include <arena.h>
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#include <stddef.h>
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struct gapbuffer {
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char* buffer;
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size_t size;
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size_t gap_start;
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size_t gap_end;
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};
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typedef void* (*gb_malloc_func_t) (void*, size_t);
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typedef void* (*gb_realloc_func_t) (void*, void*, size_t, size_t);
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typedef void (*gb_free_func_t) (void*, void*);
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void gapbuffer_init (gb_malloc_func_t mallocfn, void* ctx, struct gapbuffer* gb, size_t capacity);
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void gapbuffer_fini (gb_free_func_t freefn, void* ctx, struct gapbuffer* gb);
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void gapbuffer_move (struct gapbuffer* gb, size_t pos);
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void gapbuffer_insert (gb_realloc_func_t reallocfn, void* ctx, struct gapbuffer* gb, char c);
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void gapbuffer_backspace (struct gapbuffer* gb);
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void gapbuffer_grow (gb_realloc_func_t reallocfn, void* ctx, struct gapbuffer* gb);
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char* gapbuffer_get_string (gb_malloc_func_t mallocfn, void* ctx, struct gapbuffer* gb);
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size_t gapbuffer_length (struct gapbuffer* gb);
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char* gapbuffer_string_at (gb_malloc_func_t mallocfn, void* ctx, struct gapbuffer* gb, size_t pos);
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char gapbuffer_at (struct gapbuffer* gb, size_t index);
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void gapbuffer_delete_at (struct gapbuffer* gb, size_t index);
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#endif // _GAPBUFFER_H
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